Misc.LongStringlet create: int => t;let length: t => int;let get: t => int => char;let set: t => int => char => unit;let blit_string: string => int => t => int => int => unit;let output: Stdlib.out_channel => t => int => int => unit;let input_bytes_into: t => Stdlib.in_channel => int => unit;let input_bytes: Stdlib.in_channel => int => t;